Today`s latest graphics cards come with support for PCI-Express 3.0, which promises twice the bandwidth, while still being compatible with older motherboards and graphics cards. In our article we analyze differences in PCIe performance on Intel`s Ivy Bridge with GeForce GTX 680 and Radeon HD 7970, using 20 games at five resolutions, each at all three PCIe generations and x4, x8 and x16 link width."